1 | |
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2 | /* |
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3 | * mhshow.c -- display the contents of MIME messages |
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4 | * |
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5 | * $Id: mhshow.c,v 1.1.1.1 1999-02-07 18:14:15 danw Exp $ |
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6 | */ |
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7 | |
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8 | #include <h/mh.h> |
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9 | #include <fcntl.h> |
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10 | #include <h/signals.h> |
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11 | #include <h/md5.h> |
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12 | #include <errno.h> |
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13 | #include <signal.h> |
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14 | #include <zotnet/mts/mts.h> |
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15 | #include <zotnet/tws/tws.h> |
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16 | #include <h/mime.h> |
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17 | #include <h/mhparse.h> |
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18 | #include <h/mhcachesbr.h> |
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19 | |
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20 | #ifdef HAVE_SYS_WAIT_H |
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21 | # include <sys/wait.h> |
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22 | #endif |
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23 | |
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24 | /* |
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25 | * We allocate space for message names (msgs array) |
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26 | * this number of elements at a time. |
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27 | */ |
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28 | #define MAXMSGS 256 |
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29 | |
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30 | |
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31 | static struct swit switches[] = { |
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32 | #define CHECKSW 0 |
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33 | { "check", 0 }, |
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34 | #define NCHECKSW 1 |
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35 | { "nocheck", 0 }, |
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36 | #define PAUSESW 2 |
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37 | { "pause", 0 }, |
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38 | #define NPAUSESW 3 |
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39 | { "nopause", 0 }, |
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40 | #define SERIALSW 4 |
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41 | { "serialonly", 0 }, |
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42 | #define NSERIALSW 5 |
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43 | { "noserialonly", 0 }, |
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44 | #define VERBSW 6 |
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45 | { "verbose", 0 }, |
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46 | #define NVERBSW 7 |
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47 | { "noverbose", 0 }, |
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48 | #define FILESW 8 /* interface from show */ |
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49 | { "file file", 0 }, |
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50 | #define FORMSW 9 |
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51 | { "form formfile", 0 }, |
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52 | #define PARTSW 10 |
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53 | { "part number", 0 }, |
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54 | #define TYPESW 11 |
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55 | { "type content", 0 }, |
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56 | #define RCACHESW 12 |
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57 | { "rcache policy", 0 }, |
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58 | #define WCACHESW 13 |
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59 | { "wcache policy", 0 }, |
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60 | #define VERSIONSW 14 |
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61 | { "version", 0 }, |
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62 | #define HELPSW 15 |
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63 | { "help", 4 }, |
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64 | |
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65 | /* |
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66 | * switches for moreproc/mhlproc |
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67 | */ |
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68 | #define PROGSW 16 |
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69 | { "moreproc program", -4 }, |
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70 | #define NPROGSW 17 |
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71 | { "nomoreproc", -3 }, |
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72 | #define LENSW 18 |
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73 | { "length lines", -4 }, |
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74 | #define WIDTHSW 19 |
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75 | { "width columns", -4 }, |
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76 | |
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77 | /* |
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78 | * switches for debugging |
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79 | */ |
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80 | #define DEBUGSW 20 |
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81 | { "debug", -5 }, |
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82 | { NULL, 0 } |
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83 | }; |
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84 | |
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85 | |
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86 | extern int errno; |
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87 | |
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88 | /* mhparse.c */ |
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89 | extern int checksw; |
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90 | extern char *tmp; /* directory to place temp files */ |
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91 | |
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92 | /* mhcachesbr.c */ |
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93 | extern int rcachesw; |
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94 | extern int wcachesw; |
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95 | extern char *cache_public; |
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96 | extern char *cache_private; |
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97 | |
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98 | /* mhshowsbr.c */ |
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99 | extern int pausesw; |
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100 | extern int serialsw; |
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101 | extern char *progsw; |
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102 | extern int nolist; |
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103 | extern int nomore; /* flags for moreproc/header display */ |
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104 | extern char *formsw; |
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105 | |
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106 | /* mhmisc.c */ |
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107 | extern int npart; |
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108 | extern int ntype; |
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109 | extern char *parts[NPARTS + 1]; |
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110 | extern char *types[NTYPES + 1]; |
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111 | extern int userrs; |
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112 | |
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113 | int debugsw = 0; |
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114 | int verbosw = 0; |
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115 | |
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116 | /* The list of top-level contents to display */ |
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117 | CT *cts = NULL; |
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118 | |
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119 | #define quitser pipeser |
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120 | |
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121 | /* mhparse.c */ |
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122 | CT parse_mime (char *); |
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123 | |
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124 | /* mhmisc.c */ |
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125 | int part_ok (CT, int); |
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126 | int type_ok (CT, int); |
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127 | void set_endian (void); |
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128 | void flush_errors (void); |
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129 | |
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130 | /* mhshowsbr.c */ |
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131 | void show_all_messages (CT *); |
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132 | |
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133 | /* mhfree.c */ |
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134 | void free_content (CT); |
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135 | |
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136 | /* |
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137 | * static prototypes |
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138 | */ |
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139 | static RETSIGTYPE pipeser (int); |
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140 | |
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141 | |
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142 | int |
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143 | main (int argc, char **argv) |
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144 | { |
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145 | int nummsgs, maxmsgs, msgnum, *icachesw; |
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146 | char *cp, *file = NULL, *folder = NULL; |
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147 | char *maildir, buf[100], **argp; |
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148 | char **arguments, **msgs; |
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149 | struct msgs *mp = NULL; |
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150 | CT ct, *ctp; |
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151 | FILE *fp; |
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152 | |
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153 | #ifdef LOCALE |
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154 | setlocale(LC_ALL, ""); |
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155 | #endif |
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156 | invo_name = r1bindex (argv[0], '/'); |
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157 | |
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158 | /* read user profile/context */ |
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159 | context_read(); |
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160 | |
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161 | arguments = getarguments (invo_name, argc, argv, 1); |
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162 | argp = arguments; |
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163 | |
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164 | /* |
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165 | * Allocate the initial space to record message |
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166 | * names, ranges, and sequences. |
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167 | */ |
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168 | nummsgs = 0; |
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169 | maxmsgs = MAXMSGS; |
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170 | if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs))))) |
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171 | adios (NULL, "unable to allocate storage"); |
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172 | |
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173 | /* |
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174 | * Parse arguments |
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175 | */ |
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176 | while ((cp = *argp++)) { |
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177 | if (*cp == '-') { |
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178 | switch (smatch (++cp, switches)) { |
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179 | case AMBIGSW: |
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180 | ambigsw (cp, switches); |
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181 | done (1); |
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182 | case UNKWNSW: |
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183 | adios (NULL, "-%s unknown", cp); |
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184 | |
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185 | case HELPSW: |
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186 | snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]", |
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187 | invo_name); |
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188 | print_help (buf, switches, 1); |
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189 | done (1); |
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190 | case VERSIONSW: |
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191 | print_version(invo_name); |
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192 | done (1); |
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193 | |
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194 | case RCACHESW: |
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195 | icachesw = &rcachesw; |
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196 | goto do_cache; |
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197 | case WCACHESW: |
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198 | icachesw = &wcachesw; |
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199 | do_cache: |
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200 | if (!(cp = *argp++) || *cp == '-') |
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201 | adios (NULL, "missing argument to %s", argp[-2]); |
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202 | switch (*icachesw = smatch (cp, caches)) { |
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203 | case AMBIGSW: |
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204 | ambigsw (cp, caches); |
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205 | done (1); |
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206 | case UNKWNSW: |
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207 | adios (NULL, "%s unknown", cp); |
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208 | default: |
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209 | break; |
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210 | } |
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211 | continue; |
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212 | |
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213 | case CHECKSW: |
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214 | checksw++; |
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215 | continue; |
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216 | case NCHECKSW: |
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217 | checksw = 0; |
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218 | continue; |
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219 | |
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220 | case PAUSESW: |
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221 | pausesw = 1; |
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222 | continue; |
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223 | case NPAUSESW: |
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224 | pausesw = 0; |
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225 | continue; |
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226 | |
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227 | case SERIALSW: |
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228 | serialsw = 1; |
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229 | continue; |
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230 | case NSERIALSW: |
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231 | serialsw = 0; |
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232 | continue; |
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233 | |
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234 | case PARTSW: |
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235 | if (!(cp = *argp++) || *cp == '-') |
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236 | adios (NULL, "missing argument to %s", argp[-2]); |
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237 | if (npart >= NPARTS) |
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238 | adios (NULL, "too many parts (starting with %s), %d max", |
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239 | cp, NPARTS); |
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240 | parts[npart++] = cp; |
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241 | continue; |
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242 | |
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243 | case TYPESW: |
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244 | if (!(cp = *argp++) || *cp == '-') |
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245 | adios (NULL, "missing argument to %s", argp[-2]); |
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246 | if (ntype >= NTYPES) |
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247 | adios (NULL, "too many types (starting with %s), %d max", |
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248 | cp, NTYPES); |
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249 | types[ntype++] = cp; |
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250 | continue; |
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251 | |
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252 | case FILESW: |
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253 | if (!(cp = *argp++) || (*cp == '-' && cp[1])) |
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254 | adios (NULL, "missing argument to %s", argp[-2]); |
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255 | file = *cp == '-' ? cp : path (cp, TFILE); |
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256 | continue; |
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257 | |
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258 | case FORMSW: |
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259 | if (!(cp = *argp++) || *cp == '-') |
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260 | adios (NULL, "missing argument to %s", argp[-2]); |
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261 | if (formsw) |
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262 | free (formsw); |
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263 | formsw = getcpy (etcpath (cp)); |
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264 | continue; |
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265 | |
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266 | /* |
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267 | * Switches for moreproc/mhlproc |
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268 | */ |
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269 | case PROGSW: |
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270 | if (!(progsw = *argp++) || *progsw == '-') |
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271 | adios (NULL, "missing argument to %s", argp[-2]); |
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272 | continue; |
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273 | case NPROGSW: |
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274 | nomore++; |
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275 | continue; |
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276 | |
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277 | case LENSW: |
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278 | case WIDTHSW: |
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279 | if (!(cp = *argp++) || *cp == '-') |
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280 | adios (NULL, "missing argument to %s", argp[-2]); |
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281 | continue; |
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282 | |
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283 | case VERBSW: |
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284 | verbosw = 1; |
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285 | continue; |
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286 | case NVERBSW: |
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287 | verbosw = 0; |
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288 | continue; |
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289 | case DEBUGSW: |
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290 | debugsw = 1; |
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291 | continue; |
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292 | } |
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293 | } |
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294 | if (*cp == '+' || *cp == '@') { |
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295 | if (folder) |
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296 | adios (NULL, "only one folder at a time!"); |
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297 | else |
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298 | folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF); |
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299 | } else { |
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300 | /* |
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301 | * Check if we need to allocate more space |
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302 | * for message names/ranges/sequences. |
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303 | */ |
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304 | if (nummsgs >= maxmsgs) { |
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305 | maxmsgs += MAXMSGS; |
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306 | if (!(msgs = (char **) realloc (msgs, |
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307 | (size_t) (maxmsgs * sizeof(*msgs))))) |
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308 | adios (NULL, "unable to reallocate msgs storage"); |
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309 | } |
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310 | msgs[nummsgs++] = cp; |
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311 | } |
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312 | } |
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313 | |
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314 | /* null terminate the list of acceptable parts/types */ |
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315 | parts[npart] = NULL; |
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316 | types[ntype] = NULL; |
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317 | |
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318 | set_endian (); |
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319 | |
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320 | if ((cp = getenv ("MM_NOASK")) && !strcmp (cp, "1")) { |
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321 | nolist = 1; |
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322 | pausesw = 0; |
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323 | } |
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324 | |
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325 | /* |
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326 | * Check if we've specified an additional profile |
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327 | */ |
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328 | if ((cp = getenv ("MHSHOW"))) { |
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329 | if ((fp = fopen (cp, "r"))) { |
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330 | readconfig ((struct node **) 0, fp, cp, 0); |
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331 | fclose (fp); |
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332 | } else { |
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333 | admonish ("", "unable to read $MHSHOW profile (%s)", cp); |
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334 | } |
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335 | } |
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336 | |
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337 | /* |
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338 | * Read the standard profile setup |
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339 | */ |
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340 | if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) { |
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341 | readconfig ((struct node **) 0, fp, cp, 0); |
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342 | fclose (fp); |
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343 | } |
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344 | |
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345 | /* Check for public cache location */ |
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346 | if ((cache_public = context_find (nmhcache)) && *cache_public != '/') |
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347 | cache_public = NULL; |
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348 | |
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349 | /* Check for private cache location */ |
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350 | if (!(cache_private = context_find (nmhprivcache))) |
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351 | cache_private = ".cache"; |
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352 | cache_private = getcpy (m_maildir (cache_private)); |
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353 | |
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354 | /* |
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355 | * Check for storage directory. If specified, |
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356 | * then store temporary files there. Else we |
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357 | * store them in standard nmh directory. |
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358 | */ |
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359 | if ((cp = context_find (nmhstorage)) && *cp) |
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360 | tmp = concat (cp, "/", invo_name, NULL); |
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361 | else |
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362 | tmp = add (m_maildir (invo_name), NULL); |
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363 | |
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364 | if (!context_find ("path")) |
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365 | free (path ("./", TFOLDER)); |
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366 | |
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367 | if (file && nummsgs) |
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368 | adios (NULL, "cannot specify msg and file at same time!"); |
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369 | |
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370 | /* |
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371 | * check if message is coming from file |
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372 | */ |
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373 | if (file) { |
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374 | if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts)))) |
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375 | adios (NULL, "out of memory"); |
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376 | ctp = cts; |
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377 | |
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378 | if ((ct = parse_mime (file))); |
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379 | *ctp++ = ct; |
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380 | } else { |
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381 | /* |
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382 | * message(s) are coming from a folder |
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383 | */ |
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384 | if (!nummsgs) |
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385 | msgs[nummsgs++] = "cur"; |
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386 | if (!folder) |
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387 | folder = getfolder (1); |
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388 | maildir = m_maildir (folder); |
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389 | |
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390 | if (chdir (maildir) == NOTOK) |
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391 | adios (maildir, "unable to change directory to"); |
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392 | |
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393 | /* read folder and create message structure */ |
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394 | if (!(mp = folder_read (folder))) |
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395 | adios (NULL, "unable to read folder %s", folder); |
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396 | |
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397 | /* check for empty folder */ |
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398 | if (mp->nummsg == 0) |
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399 | adios (NULL, "no messages in %s", folder); |
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400 | |
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401 | /* parse all the message ranges/sequences and set SELECTED */ |
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402 | for (msgnum = 0; msgnum < nummsgs; msgnum++) |
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403 | if (!m_convert (mp, msgs[msgnum])) |
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404 | done (1); |
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405 | |
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406 | /* |
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407 | * Set the SELECT_UNSEEN bit for all the SELECTED messages, |
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408 | * since we will use that as a tag to know which messages |
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409 | * to remove from the "unseen" sequence. |
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410 | */ |
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411 | for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) |
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412 | if (is_selected(mp, msgnum)) |
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413 | set_unseen (mp, msgnum); |
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414 | |
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415 | seq_setprev (mp); /* set the Previous-Sequence */ |
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416 | seq_setunseen (mp, 1); /* unset the Unseen-Sequence */ |
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417 | |
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418 | if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts)))) |
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419 | adios (NULL, "out of memory"); |
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420 | ctp = cts; |
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421 | |
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422 | /* |
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423 | * Parse all the SELECTED messages. |
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424 | */ |
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425 | for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) { |
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426 | if (is_selected(mp, msgnum)) { |
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427 | char *msgnam; |
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428 | |
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429 | msgnam = m_name (msgnum); |
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430 | if ((ct = parse_mime (msgnam))) |
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431 | *ctp++ = ct; |
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432 | } |
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433 | } |
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434 | } |
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435 | |
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436 | if (!*cts) |
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437 | done (1); |
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438 | |
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439 | userrs = 1; |
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440 | SIGNAL (SIGQUIT, quitser); |
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441 | SIGNAL (SIGPIPE, pipeser); |
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442 | |
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443 | /* |
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444 | * Get the associated umask for the relevant contents. |
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445 | */ |
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446 | for (ctp = cts; *ctp; ctp++) { |
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447 | struct stat st; |
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448 | |
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449 | ct = *ctp; |
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450 | if (type_ok (ct, 1) && !ct->c_umask) { |
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451 | if (stat (ct->c_file, &st) != NOTOK) |
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452 | ct->c_umask = ~(st.st_mode & 0777); |
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453 | else |
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454 | ct->c_umask = ~m_gmprot(); |
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455 | } |
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456 | } |
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457 | |
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458 | /* |
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459 | * Show the message content |
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460 | */ |
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461 | show_all_messages (cts); |
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462 | |
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463 | /* Now free all the structures for the content */ |
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464 | for (ctp = cts; *ctp; ctp++) |
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465 | free_content (*ctp); |
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466 | |
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467 | free ((char *) cts); |
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468 | cts = NULL; |
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469 | |
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470 | /* If reading from a folder, do some updating */ |
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471 | if (mp) { |
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472 | context_replace (pfolder, folder);/* update current folder */ |
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473 | seq_setcur (mp, mp->hghsel); /* update current message */ |
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474 | seq_save (mp); /* synchronize sequences */ |
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475 | context_save (); /* save the context file */ |
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476 | } |
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477 | |
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478 | done (0); |
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479 | /* NOTREACHED */ |
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480 | } |
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481 | |
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482 | |
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483 | static RETSIGTYPE |
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484 | pipeser (int i) |
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485 | { |
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486 | if (i == SIGQUIT) { |
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487 | unlink ("core"); |
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488 | fflush (stdout); |
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489 | fprintf (stderr, "\n"); |
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490 | fflush (stderr); |
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491 | } |
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492 | |
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493 | done (1); |
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494 | /* NOTREACHED */ |
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495 | } |
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496 | |
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497 | |
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498 | void |
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499 | done (int status) |
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500 | { |
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501 | CT *ctp; |
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502 | |
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503 | if ((ctp = cts)) |
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504 | for (; *ctp; ctp++) |
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505 | free_content (*ctp); |
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506 | |
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507 | exit (status); |
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508 | } |
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